| Gaithersburg to Karahalli | 5,355.99 mi (8,619.64 km) |
| Gaithersburg to Karakocan | 5,739.83 mi (9,237.37 km) |
| Gaithersburg to Karakopru | 5,779.98 mi (9,301.99 km) |
| Gaithersburg to Karaman | 5,559.39 mi (8,946.97 km) |
| Gaithersburg to Karapinar | 5,547.92 mi (8,928.52 km) |
| Gaithersburg to Karatas | 5,675.88 mi (9,134.44 km) |
| Gaithersburg to Karatepe | 5,266.12 mi (8,474.99 km) |
| Gaithersburg to Karayilan | 5,702.55 mi (9,177.37 km) |
| Gaithersburg to Kargipinar | 5,632.13 mi (9,064.04 km) |
| Gaithersburg to Karkamis | 5,766.44 mi (9,280.20 km) |
| Gaithersburg to Karliova | 5,758.75 mi (9,267.81 km) |
| Gaithersburg to Kars | 5,767.64 mi (9,282.13 km) |
| Gaithersburg to Kartal | 5,228.18 mi (8,413.94 km) |
| Gaithersburg to Kas | 5,456.22 mi (8,780.94 km) |
| Gaithersburg to Kastamonu | 5,386.08 mi (8,668.06 km) |
